<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      body {
        background-color: rgb(244, 248, 219);
      }
      .bigdiv {
        width: 300px;
        height: 300px;
        position: relative;
        margin: 0 auto;
        transform: translateY(100px);
        animation: pulse 2s linear infinite;
      }
      @keyframes pulse {
        0% {
        }
        60% {
          left: 0;
          top: 100px;
          transform: scale(2);
          opacity: 1;
        }
        100% {
          opacity: 0;
        }
      }
      @keyframes move {
        0% {
        }
        50% {
          transform: scale(1);
          opacity: 0;
        }
        100% {
          opacity: 0.5;
        }
      }
      .son {
     position: absolute;
    width: 77px;
    right: 152px;
    margin-top: 300px;
    animation: move 4s linear infinite;
    box-shadow: 23px 0px 42px 11px grey;
      }
      .left,
      .right {
        position: absolute;
        width: 150px;
        height: 150px;
        border-radius: 50%;
        box-shadow: 0 0 12px red;
        background-color: red;
      }
      .left {
        left: 12px;
      }
      .right {
        right: 44px;
      }
      .bttom {
        position: absolute;
        right: 67px;
        width: 0px;
        height: 150px;
        border-width: 455px 138px;
        border: 100px solid;
        margin-top: 127px;
        border-color: red transparent transparent;
      }

    </style>
  </head>
  <body>
    <div class="bigdiv">
      <div class="left"></div>
      <div class="right"></div>
      <div class="bttom"></div>
      <div class="son"></div>
    </div>
  </body>
</html>
